NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
3:41 PM Monday December 22
W2 OCCASIONAL WAVE HEIGHT IS THE AVERAGE OF THE HIGHEST 1/10 OF THE WAVE SPECTRUM.W2 SYNOPSIS, LOW PRESSURE, INCHES, WILL MOVE FROM IOWA TONIGHT TO WISCONSIN BY TUESDAY EVENING, WEAKENING TO INCHES.W2 THIS LOW WILL CONTINUE TO WEAKEN AS IT TRACKS INTO THE NORTHERN GREAT LAKES TUESDAY NIGHT.W2 A SECONDARY LOW PRESSURE SYSTEM IS FORECAST TO DEVELOP OVER THE GULF COAST ON TUESDAY AND LIFT ALMOST DUE NORTH TO LAKE HURON BY WEDNESDAY NIGHT.W2 THIS SYSTEM IS FORECAST TO RAPIDLY INTENSIFY AS IT ADVANCES INTO THE GREAT LAKES, THEN CONTINUE TO STRENGTHEN AS IT LIFTS INTO CANADA BY THURSDAY MORNING.W2 LCZ460-230915.W2 LAKE ST CLAIR.W2 , gale watch in effect from wednesday evening through thursday morning, tonight, southeast winds 10 to 15 knots.W2 a chance of light showers late in the evening.W2 light rain showers likely after midnight, then light rain showers late.W2 waves 2 feet or less.W2 tuesday, southeast winds 10 to 15 knots, becoming south 5 to 10 knots by afternoon.W2 light rain showers early, then light rain showers likely late in the morning.W2 a chance of light showers by afternoon.W2 waves 2 feet or less.W2 tuesday night, southeast winds 5 to 10 knots in the evening, becoming light and variable overnight.W2 cloudy.W2 a chance of light rain showers in the evening, then light rain showers likely after midnight.W2 waves 2 feet or less.W2 wednesday, southeast winds 5 to 10 knots, increasing to 10 to 15 knots late.W2 rain.W2 waves 2 feet or less.W2 wednesday night, south winds 15 to 20 knots, becoming southwest 20 to 25 knots with gusts to 35 knot gales late in the evening..W2 then increasing to 30 knots with gusts to 35 knot gales after midnight.W2 cloudy.W2 a chance of rain showers early in the evening, then a chance of light snow showers by late evening.W2 waves 1 to 3 feet..W2 building to 2 to 4 feet after midnight.W2 thursday, west winds 20 to 25 knots, becoming southwest 10 to 15 knots.W2 mostly cloudy in the morning, becoming partly cloudy.W2 waves 1 to 3 feet.W2 friday, southwest winds 10 to 15 knots.W2 mostly cloudy.W2 a chance of light snow showers.W2 waves 2 feet or less.W2 saturday, west winds 15 to 20 knots.W2 partly cloudy.W2 a chance of light snow showers.W2 waves 2 feet or less.W2